Actually, you don't really need to spend a lot of money on antennas.
Link:https://pan.quark.cn/s/738fc3f1264e
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The issue with the 1:1 Baron was resolved independently. If you want to learn how to perform a "figure-eight" maneuver, you can find instructions on YouTube; this is relatively easy. UHF（M）There are also issues related to the connection method.
The following instructions:
The carbon fiber parts are CNC machined. The BOM for the standard components is listed below. Using a lever arm as the actuator, it's possible to stack multiple plates and combine them flexibly.
Regarding the PCB version, please make your own copies. Adding pads will facilitate soldering the PCB.
Additionally, copper wire/feed lines can be used as a tether for the resonator, effectively creating a soft antenna similar to end-fed antennas. This would reduce the need for assembling standard components and also save on the cost of the resonator itself.
Here's the basic BOM:
M8 Hex Nut2、
M825mm bolt2、
M616mm U-shaped bolt4 sets (including accompanying nuts)
M10D1645mm screw3、
M1030 active thread screws2
Additionally, supplement with necessary standard parts as needed for assembly.
The following antenna prototypes and results:
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